.fl {
  float: left;
}
.fr {
  float: right;
}
.clearfix::after {
  content: ".";
  display: block;
  height: 0;
  font-size: 0;
  overflow: hidden;
  clear: both;
}
.center-p {
  position: absolute;
  left: 0;
  right: 0;
  margin: auto;
}
.ellipsis {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media screen {
  #sidebar > .sidebar-big,
  #sidebar > .sidebar-small {
    position: fixed;
  }
}
@media screen and (min-width: 0) {
  #sidebar > .sidebar-small {
    left: 50%;
    bottom: 100px;
    margin-left: 613px;
  }
}
@media screen and (min-width: 1458px) {
  #sidebar > .sidebar-big {
    right: 0;
    left: auto;
    bottom: 60px;
  }
  #sidebar > .sidebar-small {
    display: none;
  }
}
.qr-code {
  display: none;
  position: absolute;
  top: 0;
  left: -140px;
  box-sizing: border-box;
  padding: 20px 15px 10px;
  width: 130px;
  height: 190px;
  background-color: #fff;
}
.qr-code img {
  margin-bottom: 10px;
  width: 100px;
  height: 100px;
}
.qr-code:after {
  content: "";
  position: absolute;
  right: -10px;
  top: 12px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 8px 10px;
  border-color: transparent transparent transparent #fff;
  border-right: none;
}
#sidebar .sidebar-big {
  width: 82px;
  height: 450px;
}
#sidebar .sidebar-big li {
  width: 82px;
  height: 90px;
  background-color: #fff;
  font-size: 14px;
  color: #757575;
  text-align: center;
  cursor: pointer;
}
#sidebar .sidebar-big li i {
  display: inline-block;
  margin: 20px 0 10px 0;
  font-size: 28px;
}
#sidebar .sidebar-big li .qr-code {
  display: none;
  position: absolute;
  top: 0;
  left: -140px;
  box-sizing: border-box;
  padding: 20px 15px 10px;
  width: 130px;
  height: 190px;
  background-color: #fff;
}
#sidebar .sidebar-big li .qr-code img {
  margin-bottom: 10px;
  width: 100px;
  height: 100px;
}
#sidebar .sidebar-big li .qr-code:after {
  content: "";
  position: absolute;
  right: -10px;
  top: 12px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 8px 10px;
  border-color: transparent transparent transparent #fff;
  border-right: none;
}
#sidebar .sidebar-big li:hover {
  color: #ff6700;
}
#sidebar .sidebar-big li:nth-child(1):hover > .qr-code {
  display: block;
}
#sidebar .sidebar-small {
  width: 25px;
  height: 200px;
}
#sidebar .sidebar-small li {
  position: relative;
  width: 25px;
  height: 40px;
  background-color: #fff;
  font-size: 14px;
  color: #757575;
  text-align: center;
  line-height: 40px;
  cursor: pointer;
}
#sidebar .sidebar-small li i {
  font-size: 20px;
}
#sidebar .sidebar-small li .text {
  display: none;
  position: absolute;
  top: 3px;
  left: -74px;
  width: 64px;
  height: 30px;
  background-color: #fff;
  line-height: 30px;
}
#sidebar .sidebar-small li .text:after {
  content: "";
  position: absolute;
  right: -10px;
  top: 7px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 8px 10px;
  border-color: transparent transparent transparent #fff;
  border-right: none;
}
#sidebar .sidebar-small li .qr-code {
  display: none;
  position: absolute;
  top: 0;
  left: -140px;
  box-sizing: border-box;
  padding: 20px 15px 10px;
  width: 130px;
  height: 190px;
  background-color: #fff;
  line-height: normal;
}
#sidebar .sidebar-small li .qr-code img {
  margin-bottom: 10px;
  width: 100px;
  height: 100px;
}
#sidebar .sidebar-small li .qr-code:after {
  content: "";
  position: absolute;
  right: -10px;
  top: 12px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 8px 10px;
  border-color: transparent transparent transparent #fff;
  border-right: none;
}
#sidebar .sidebar-small li:hover > a {
  color: #ff6700;
}
#sidebar .sidebar-small li:hover > div {
  display: block;
}
